<template>
    <div>
        <h1>vue3组件使用vue2语法 test语法</h1>
        <h1>{{ msg }}</h1>
        <h2>{{ num }}</h2>
        <input type="text" v-model="num" />
        <button @click="add">加1</button>
    </div>
</template>

<script lang="ts">
import { defineComponent } from "vue";

export default defineComponent({
    data() {
        return {
            msg: "今天真冷啊！！",
            num: 0,
        };
    },
    methods: {
        add() {
            this.num += 1;
        },
    },
});
</script>

<style scoped>

</style>